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Positive strand RNA viruses proceedings of a UCLA symposium held in Keystone, Colorado, April 20-26, 1986

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Published by Liss in New York .
Written in English

Subjects:

  • RNA viruses -- Congresses,
  • RNA Viruses -- congresses

Book details:

Edition Notes

Includes bibliographies and index.

Statementeditors, Margo A. Brinton, Roland R. Rueckert.
SeriesUCLA symposia on molecular and cellular biology ;, new ser., v. 54
ContributionsBrinton, Margo A., Rueckert, Roland R.
Classifications
LC ClassificationsQR395 .P67 1987
The Physical Object
Paginationxxii, 605 p. :
Number of Pages605
ID Numbers
Open LibraryOL2738896M
ISBN 100845126539
LC Control Number86033709

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Key Terms. virus: A submicroscopic infectious organism, now understood to be a non-cellular structure consisting of a core of DNA or RNA surrounded by a protein requires a living cell to replicate, and often causes disease in the host organism. genetic: Relating to genetics or genes.; RNA: Ribonucleic acid (RNA) is a ubiquitous family of large biological molecules that performs. RNA VIRUS REPLICATION - GENERAL. STRATEGIES. RNA viruses that do not have a DNA phase Viruses that replicate via RNA intermediates need an RNA-dependent RNA-polymerase to replicate their RNA, but animal cells do not seem to possess a suitable enzyme. Therefore, this type of animal RNA virus needs to code for an RNA-dependent RNA polymerase. Positive (sense) strand RNA is black. Negative (anti-sense) strand RNA is green. Proteins are shown in blue and orange (except in last image where S is red, E is purple and M is brown). 1. The virus S (Spike) protein binds to the receptor (angiotensin converting enzyme 2) . Positive-strand RNA virus: Also known as a sense-strand RNA virus, a virus whose genetic information consists of a single strand of RNA that is the positive (or sense) strand which encodes mRNA (messenger RNA) and protein. Replication in positive-strand RNA viruses is via a negative-strand intermediate. Examples of positive-strand RNA viruses include polio virus, Coxsackie virus, and .

Single stranded RNA viruses can be classified according to the sense or polarity of their RNA into negative-sense and positive-sense, or ambisense RNA viruses. Positive-sense viral RNA is similar to mRNA and thus can be immediately translated by the host cell. 3. viral RNA has messenger polarity (can be translated immediately) 4. the translation products, along with the viral RNA form a replication complex (which makes negative sense RNA that is used as template to make lots of positive sense RNA) - makes viral RNA-dependent RNA polymerase. Key Difference – Positive vs Negative Sense RNA Virus. Positive sense and negative sense DNA refer to the coding sequence and non-coding sequence (template) respectively. If a DNA sequence directly gives the same mRNA sequence from the transcription, it is known as positive sense or sense a DNA sequence produces complementary mRNA sequence from the transcription, it is known . Positive-strand RNA viruses include the majority of the plant viruses, a number of insect viruses, and animal viruses, such as coronaviruses, togaviruses, flaviviruses, poliovirus, hepatitis C, and rh.

ISBN: OCLC Number: Notes: Based on the Third International Symposium on Positive Strand RNA Viruses, held in . Positive-strand RNA viruses include the majority of the plant viruses, a number of insect viruses, and animal viruses, such as coronaviruses, togaviruses, flaviviruses, poliovirus, hepatitis C, and rhinoviruses. Works from more than 50 leading laboratories represent latest research on strategies. Key Terms. genome: The complete genetic information (either DNA or, in some viruses, RNA) of an organism, typically expressed in the number of basepairs.; virus: A submicroscopic infectious organism, now understood to be a non-cellular structure consisting of a core of DNA or RNA surrounded by a protein requires a living cell to replicate, and often causes disease in the host . Negative-strand RNA virus: Also known as an antisense-strand RNA virus, a virus whose genetic information consists of a single strand of RNA that is the negative or antisense strand which does not encode mRNA (messenger RNA). Examples of negative-strand RNA viruses include influenza virus, measles viruses, and rabies virus.. There are two types of RNA viruses.